144999619 has 2 divisors, whose sum is σ = 144999620. Its totient is φ = 144999618.

The previous prime is 144999607. The next prime is 144999629. The reversal of 144999619 is 916999441.

It is a strong prime.

It is an emirp because it is prime and its reverse (916999441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144999619 - 2¹⁷ = 144868547 is a prime.

It is a super-2 number, since 2×144999619² = 42049779020290322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144999629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72499809 + 72499810.

It is an arithmetic number, because the mean of its divisors is an integer number (72499810).

Almost surely, 2^144999619 is an apocalyptic number.

144999619 is a deficient number, since it is larger than the sum of its proper divisors (1).

144999619 is an equidigital number, since it uses as much as digits as its factorization.

144999619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 52.

The square root of 144999619 is about 12041.5787586180. The cubic root of 144999619 is about 525.3583271071.

The spelling of 144999619 in words is "one hundred forty-four million, nine hundred ninety-nine thousand, six hundred nineteen".